import os

def loadevio(env) :
	OSENV = os.environ

        if(OSENV.has_key('EVIOROOT') and os.path.exists(OSENV['EVIOROOT'])==True):
                rootDir = OSENV['EVIOROOT']
        elif(OSENV.has_key('EVIO') and os.path.exists(OSENV['EVIO'])==True):
                rootDir = OSENV['EVIO']
        elif(OSENV.has_key('CODA') and os.path.exists(OSENV['CODA'])==True):
                rootDir = OSENV['CODA'] + '/Linux'
        else:
                print "?Neither EVIOROOT nor EVIO env variables are set...using -DNO_EVIOROOT"
                env.Append(CPPDEFINES = {'NO_EVIOROOT':None})
                return

        if env['SHOWENV'] == "1":
                print "Loading EVIO software from ", rootDir


#  include files
        evioincs = []
        evioincs.append(rootDir + '/include')
        env.AppendUnique(CPPPATH=evioincs)


#  library directories
        evioldir = []
        evioldir.append(rootDir + '/lib')
        evioldir.append(rootDir + '/lib64')
        env.AppendUnique(LIBPATH = evioldir)


#  libraries
        eviolibs = []
        eviolibs.append('evioxx')
        eviolibs.append('evio')
        eviolibs.append('codaChannels')
        eviolibs.append('pthread')
        eviolibs.append('rt')


	if env['PLATFORM'] == 'posix':
		eviolibs.append('z')
		eviolibs.append('expat')

	if env['PLATFORM'] == 'darwin':
		eviolibs.append('z')
		eviolibs.append('expat')

                # Assuming we have boost, installed with FINK
		env.AppendUnique(CPPPATH = ['/sw/include'])
	
	if env['PLATFORM'] == 'win32':
		MSSDK   =  OSENV['MSSdk']
		EXPAT   =  OSENV['EXPAT']
		env.AppendUnique(CPPPATH = [EXPAT + '/Source/lib'])
		env.AppendUnique(CPPPATH = [MSSDK + '/Include'])
		env.AppendUnique(LIBPATH = [EXPAT + '/bin'])


        env.AppendUnique(LIBS = eviolibs)



#  dependencies on other packages
#  ...this is a kludge until the DAQ group solves their package inter-dependency problems
        if(OSENV.has_key('ETROOT') or OSENV.has_key('ET')):
                from loadet import loadet
                loadet(env)